Class

Root Usual Meaning
Examples
homicide, Homo sapien, hombre, homunculus, personality, impersonate, personify, personalize, nominate, cognomen, ignominious, nomenclature, solar, Sol, solarium, solstice, parasol, solar system… Illuminate, lumen, luminary, illuminant, lunar, Luna, lunacy, lunate, lunar month, lunation… ignite, ignescent, ignition, ignitron, preignition, rebellion, belligerent, rebel, ante-bellum, bellicose, camp, campus, campaign, camporee, champion, annual, annuity, perennial, anno Domini, anniversary, diary, diet, journay, journayman, sojourn, adjourn… congregate, segregation, aggregation, gregarious, Root Usual Meaning
Examples
Corpse, corpulent, corps, corporal, corporeal, … Carnation, carnal, carnivorous, reincarnation, Capital, caption, capricious, precipitate, recapitulation, Nasal, naso, nasofrontal, nostril, post nasal, oral, oration, adoration, exorable, oracle, perorate… dentist, dentine, dentifrice, dent, indent, edentate… vital, vitality, vitamin, vivarium, vivacious, revive… cordial, core, courage, discord, accord, concordance… Article, articulation, articular, articulator, arthritis… Manual, manicure, manikin, amanuensis, manumit, Pedal, pedestrian, pedestal, pedicure, impede, Mortal, mortician, mortification, mortgage, amortize, Root Usual Meaning
Examples
Literary, literate, literal, illiterate, obliterate … Verbal, proverbial, verbiage, verbatim, verbify … Linguist, language, lingo, multilingual, linguistics … Generation, gender, gene, ingenuity, genus, Animal, animation, animadversion, pusillanimous, Judge, jurisprudence, justify, adjudicate, jury, Legislation, legal, legitimate, illicit, delegalize, Civic, city, civilization, civility, civilian, civil Temporary, temporal, contretemps, tempus fugit, Location, locus, allocate, locomotion, relocate, local… Confident, confidant, fiduciary, diffidence, infidel, Crusade, cross, crucifix, crux, excruciate, crucial, Root Usual Meaning
Examples
Benefit, benevolent, benediction, bona fide, Gratitude, gratification, grace, gracious, gratuitous, Belle, belladonna, beau, beautician, belvedere, Malice, malign, malpractice, malicious, malinger, Honest, honorable, dishonor, honorarium, honorary, Sacred, sacrifice, sacrilege, sacrosanct, desecrate, Novelty, innovate, novel, novice, Novocain, Ambient, ambiguous, ambage, ambiguous, ambit, Clarify, clarion, clarinet, claret, declare, declarative… Altitude, exaltation, alto, altimeter, altar… Magnify, magnificent, major, maxim, magniloquent, Gravity, gravitate, gravimetric, aggravate, grieve, Root Usual Meaning
Examples
Question, inquest, inquisitive, questionable, Doctrine, documentary, doctor, indoctrinate, docile, Rational, ration, rationale, rationalize, reason, Science, prescient, conscious, conscience, omniscient, Collect, legible, legend, lectern, lecture, elect… Discern, secretive, discretion, concern, recrement, Recite, citation, excite, incite, cite, recital, recitation… Dictate, dictionary, index, edict, abdication, addict, Eloquent, loquacity, colloquial, ventriloquist, Audience, audible, audiology, audiometer, audition, Notation, notorious, notice, denote, annotation, Script, conscription, scripture, prescription, ascribe, Root Usual Meaning
Examples
Vocal, vociferate, voice, convoke, provocative, Tangent, contagious, tact, intangible, contingent, Video, provident, supervisor, visa, advise, belvedere… Spectator, perspicacity, perspective, specimen, Amble, perambulator, ambage, preamble, preamble, Insomnia, somniloquist, somnambulist, Somnus, Eject, projectile, interject, adjective, trajectory, Donate, donee, date, pardon, condone, donor… Amorous, amicable, amour, inimical, amateur, amicus, Admire, miracle, mirror, miraculous, mirage, Regal, regimen, regalia, regent, regulate, regina… Dominate, dominant, domino, domineer, eminent Root Usual Meaning
Examples
Laboratory, labored (adj.) labor, elaborate, laborious, Transport, portage, purport, importance, portamento, Transfer, circumference, transferee, deference, fertile, Remove, motivation, mobility, motile, mobilize, Transmit, admit, omit, remit, missive, missile, Induce, introduce, deduce, conducive, traduce, Propel, repellent, expel, repulsive, compulsion, push… Fugitive, fleeting, refugee, fugue, fugacious, React, enactment, activities, transact, actuary, agitate… Gradual, graduate, digress, ingredient, egress, Fact, facile facsimile, facilitate, faction, feasible… Turbulent, trouble, turbid, perturb, turbine, Root Usual Meaning
Examples
Clamor, clamant, declamation, claimant, reclamation, Cadence, cascade, decadent, coincide, cadaverous, Closet, closure, recluse, foreclose, claustrophobia, Pressure, express, suppress, depress, repress, Complete, complement, replete, comply, compliment, Capture, incapacitate, captive audience, capsule, Erupt, disrupt, abrupt, corrupt, interrupt, bankrupt… Scissors, concise, precise, homicide, germicide, Cure, accurate, security, curative, curiosity, curator… Revolve, evolve, convolve, revolt, voluminous, Extend, distend, contention, tendon, portend, Complex, plexiglass, plywood, multiply, pliable, Root Usual Meaning
Examples
Tractor, contract, retract, tract, traction, trail.… Strict, stringent, strain, redistrict, stricture, distraught Assault, salient, assail, resilient, salmon, sally, Crescent, crescendo, accrue, crew, concrescence, Current, concurrent, car, corridor, recur, curriculum… Tenant, pretend, pertinacious, tenor, tenet, lietenant… Distort, torture, extort, tortilla, nasturtium, tort… Dissolve, solvent, absolution, soluble, resolve, Fragile, frangible, fraction, frail, refraction, Pendulum, compendium, suspense, propend, Convert, subversion, vertebra, vertigo, versatile, Fluid, influence, affluent, ,fluvial, influx, flush… Root Usual Meaning
Examples
Nature, innate, Natalie, naïve, natality, cognate, Creed, credible, credit, credence, miscreant, recreant, Habitual, habit, inhibit, uninhabitable, habitation, Pleasure, complacency, please, placate, pleasant, Stable, estate, stabilize, statuette, constant, statute, Junction, injunction, adjoin, adjunct, conjunction, Expound, exponent, opponent, postpone, dispose, Recede, intercede, precedent, cede, secede, recession, Convention, convenient, venue, contravene, Sequence, sequential, prosecute, sequacious, Solo, solitaire, solipsism, soliloquy, solifidian, Sediment, sedan, sedation, president, supersede, Root Usual Meaning
Examples
annual, anniversary, perennial, millenium

Source: http://pagefarm.net/ap/vocab11.pdf